1C sugar
1C Water
1 1/2 tbs gelatine
1/2 tsp vanilla

Put sugar and water into a saucepan, sprinkle gelatine over. Stir over heat until sugar disolved and mixutre boils. Reduce heat, simmer 7 minutes: remove from heat. When mixture is nearly cold, add vanilla, beat until thick and fluffy. If desired colour with food colouring.

This is from my mums collection. She used to make it all the time. I'm guessing you could use any flavour essence you liked....